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CVE-2023-29360: Microsoft Streaming Service Elevation of Privilege Vulnerability

• Severity: high (CVSS 8.4 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2024-02-29
• EPSS: 21.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-13 · updated 2026-06-17
• Weakness: CWE-822

Description

Microsoft Streaming Service Elevation of Privilege Vulnerability

Affected products

• Microsoft Windows 10 1607: before 10.0.14393.5989 — fixed in 10.0.14393.5989
• Microsoft Windows 10: before 10.0.17763.4499 — fixed in 10.0.17763.4499
• Microsoft Windows 10: before 10.0.19044.3086 — fixed in 10.0.19044.3086
• Microsoft Windows 10: before 10.0.19045.3086 — fixed in 10.0.19045.3086
• Microsoft Windows 11 21H2: before 10.0.22000.2057 — fixed in 10.0.22000.2057
• Microsoft Windows 11: before 10.0.22621.1848 — fixed in 10.0.22621.1848
• Microsoft Windows Server 2016: before 10.0.14393.5989 — fixed in 10.0.14393.5989
• Microsoft Windows Server 2019: before 10.0.17763.4499 — fixed in 10.0.17763.4499
• Microsoft Windows Server 2022: before 10.0.20348.1784 — fixed in 10.0.20348.1784
• Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5989 — fixed in 10.0.14393.5989
• Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.4499 — fixed in 10.0.17763.4499
• Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.3086 — fixed in 10.0.19044.3086
• Microsoft Windows 10: from 10.0.19045.0 before 10.0.19045.3086 — fixed in 10.0.19045.3086
• Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.2057 — fixed in 10.0.22000.2057
• Microsoft Windows 11: from 10.0.22621.0 before 10.0.22621.1848 — fixed in 10.0.22621.1848
• Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5989 — fixed in 10.0.14393.5989
• Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.4499 — fixed in 10.0.17763.4499
• Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.1787 — fixed in 10.0.20348.1787

How to fix

Upgrade to a fixed version: Microsoft Windows 10 1607 10.0.14393.5989; Microsoft Windows 10 10.0.17763.4499; Microsoft Windows 10 10.0.19044.3086; Microsoft Windows 10 10.0.19045.3086; Microsoft Windows 11 21H2 10.0.22000.2057; Microsoft Windows 11 10.0.22621.1848; Microsoft Windows Server 2016 10.0.14393.5989; Microsoft Windows Server 2019 10.0.17763.4499; Microsoft Windows Server 2022 10.0.20348.1784; Microsoft Windows 10 1607 10.0.14393.5989; Microsoft Windows 10 10.0.17763.4499; Microsoft Windows 10 10.0.19044.3086. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29360
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29360
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29360

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